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Valve dev teases HDR support for Linux Gaming

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Lots of people noticed recently than a whole lot of working was going into the Gamescope project for HDR support, and now a Valve developer has teased trying it out. This has been a long time coming, with work needed to support it across multiple parts of the Linux stack but it's starting to get there now.

For those not aware, Gamescope is a micro-compositor that's used on the Steam Deck to display your games and it can also be used on desktop too. It gives you a whole lot of control over what games are doing, with lots of work from developer Joshua Ashton going in for HDR support.

Writing on Twitter, Valve developer Pierre-Loup Griffais mentioned:

New Linux gaming milestone: with the latest work from Josh Ashton, HDR can now be enabled for real games! Tested it tonight on my AMD desktop with Halo Infinite, Deep Rock Galactic, DEATH STRANDING DC. Very early and will still need some time to bake to be useful to most.

Griffais showed these shots:

An increasingly exciting time to be a Linux gaming fan and it looks like 2023 will be the year of HDR. As Griffais said though, there's a lot still to do and this is just the start of it actually working.

On their Fediverse account developer Joshua Ashton also showed off more of Death Stranding with a HDR Heatmap.

Article taken from GamingOnLinux.com.
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I am the owner of GamingOnLinux. After discovering Linux back in the days of Mandrake in 2003, I constantly came back to check on the progress of Linux until Ubuntu appeared on the scene and it helped me to really love it. You can reach me easily by emailing GamingOnLinux directly.
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Spyker 3 Jan
Nice, I didn't expect that so soon.
based 3 Jan
This is awesome, HDR looked great back in Windows, hope we get it going on Nvidia as well :)
CatKiller 3 Jan
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Having Steam not die when you're using anything other than 8—bit colour would probably be a good start.
Can't say I expected that, but I should. System76 and Red Hat has been the main people in focus for HDR as of late, but Valve has been the most substantial with driving gaming on Linux (naturally) and a lot of stuff has been progressing much faster after Valve starts contributing.

Not to praise on them too much, but Linus' quote on Valve saving desktop Linux seems to remain pretty on-point. I hope that he remains right on that (though I also hope his quote on Nvidia will no longer apply next year).
Quoting: basedThis is awesome, HDR looked great back in Windows, hope we get it going on Nvidia as well :)

According to discord, the HDR implementation is on Gamescope, so we might need Nvidia proper support for it first.
kuhpunkt 3 Jan
Frogman strikes again!
I doubt its usefulness when gamescope is running nested ie. inside your desktop environment.
tamodolo 3 Jan
We may end up testing this with the CachyOS guys at some point soon-ish
micha 3 Jan
The feature I'm most embarrassed to admit that Linux is lacking. Soon^TM
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